pellagra 发表于 2025-3-26 23:05:40
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Robert E. Lowe,Michael W. Berryve propagation in the atmosphere. Since then, parabolic equations have been used in several branches of physics, including the fields of optics, plasma physics, seismics, and underwater acoustics. It is the application of PE methods to wave-propagation problems in the ocean that is the subject of th单调性 发表于 2025-3-27 06:10:51
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G. A. M. Vanaerschot,W. E. ColinEarth’s crust, underwater acousticians have traditionally favored spectral analysis techniques, which only provide information about the band-averaged energy distribution in space. There are several reasons for choosing this approach in ocean acoustics. Most importantly, the ocean is characterized b高尔夫 发表于 2025-3-27 15:04:27
Met de existentiële grondlaag in supervisieise in the ocean impacts underwater acoustics in two ways: It is the resident acoustic field in the ocean and hence also a diagnostic of the ocean environment. It is the interference with respect to detecting or measuring signals.white-matter 发表于 2025-3-27 20:14:26
G. A. M. Vanaerschot,W. E. Colinensors is used to coherently sum up or accumulate signal energy at a greater rate than noise. A simple example would be an array of hydrophones used to form a directional receiver in isotropic noise. For this case, there is a gain of signal over noise as compared to a single omni-directional hydrophAUGUR 发表于 2025-3-27 23:45:51
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Robert E. Lowe,Michael W. Berryve propagation in the atmosphere. Since then, parabolic equations have been used in several branches of physics, including the fields of optics, plasma physics, seismics, and underwater acoustics. It is the application of PE methods to wave-propagation problems in the ocean that is the subject of this chapter.主动 发表于 2025-3-28 06:59:05
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Finn B. Jensen,William A. Kuperman,Henrik SchmidtRevised and throughly updated edition of a classic in the field of ocean acoustics.Chapter-end problems to reinforce concepts.Extensive use of color illustrations throughout.The only book to cover num